201210202122123 has 8 divisors (see below), whose sum is σ = 269831022499728. Its totient is φ = 133364758246304.

The previous prime is 201210202122089. The next prime is 201210202122151. The reversal of 201210202122123 is 321221202012102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201210202122123 - 2²⁵ = 201210168567691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201210202122123.

It is not an unprimeable number, because it can be changed into a prime (201210202102123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193844124840 + ... + 193844125877.

It is an arithmetic number, because the mean of its divisors is an integer number (33728877812466).

Almost surely, 2^{201210202122123} is an apocalyptic number.

201210202122123 is a deficient number, since it is larger than the sum of its proper divisors (68620820377605).

201210202122123 is a wasteful number, since it uses less digits than its factorization.

201210202122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387688250893.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 201210202122123 its reverse (321221202012102), we get a palindrome (522431404134225).

The spelling of 201210202122123 in words is "two hundred one trillion, two hundred ten billion, two hundred two million, one hundred twenty-two thousand, one hundred twenty-three".